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Diffstat (limited to 'tests/auto/corelib/tools/qmacautoreleasepool/tst_qmacautoreleasepool.mm')
-rw-r--r-- | tests/auto/corelib/tools/qmacautoreleasepool/tst_qmacautoreleasepool.mm | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/tests/auto/corelib/tools/qmacautoreleasepool/tst_qmacautoreleasepool.mm b/tests/auto/corelib/tools/qmacautoreleasepool/tst_qmacautoreleasepool.mm new file mode 100644 index 0000000000..8f1069f419 --- /dev/null +++ b/tests/auto/corelib/tools/qmacautoreleasepool/tst_qmacautoreleasepool.mm @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtTest/QtTest> + +#include <Foundation/Foundation.h> + +class tst_QMacAutoreleasePool : public QObject +{ + Q_OBJECT +private slots: + void noPool(); + void rootLevelPool(); + void stackAllocatedPool(); + void heapAllocatedPool(); +}; + +static id lastDeallocedObject = nil; + +@interface DeallocTracker : NSObject @end +@implementation DeallocTracker +-(void)dealloc +{ + lastDeallocedObject = self; + [super dealloc]; +} +@end + +void tst_QMacAutoreleasePool::noPool() +{ + // No pool, will not be released, but should not crash + + [[[DeallocTracker alloc] init] autorelease]; +} + +void tst_QMacAutoreleasePool::rootLevelPool() +{ + // The root level case, no NSAutoreleasePool since we're not in the main + // runloop, and objects autoreleased as part of main. + + NSObject *allocedObject = nil; + { + QMacAutoReleasePool qtPool; + allocedObject = [[[DeallocTracker alloc] init] autorelease]; + } + QCOMPARE(lastDeallocedObject, allocedObject); +} + +void tst_QMacAutoreleasePool::stackAllocatedPool() +{ + // The normal case, other pools surrounding our pool, draining + // our pool before any other pool. + + NSObject *allocedObject = nil; + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + { + QMacAutoReleasePool qtPool; + allocedObject = [[[DeallocTracker alloc] init] autorelease]; + } + QCOMPARE(lastDeallocedObject, allocedObject); + [pool drain]; +} + +void tst_QMacAutoreleasePool::heapAllocatedPool() +{ + // The special case, a pool allocated on the heap, or as a member of a + // heap allocated object. This is not a supported use of QMacAutoReleasePool, + // and will result in warnings if the pool is prematurely drained. + + NSObject *allocedObject = nil; + { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + QMacAutoReleasePool *qtPool = nullptr; + { + qtPool = new QMacAutoReleasePool; + allocedObject = [[[DeallocTracker alloc] init] autorelease]; + } + [pool drain]; + delete qtPool; + } + QCOMPARE(lastDeallocedObject, allocedObject); +} + +QTEST_APPLESS_MAIN(tst_QMacAutoreleasePool) + +#include "tst_qmacautoreleasepool.moc" |